Hanoi in August
In August, Hanoi averages 32°C (90°F) during the day and 26°C (79°F) at night, with frequent rain — about 16 days of the month see precipitation (320 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
It's peak typhoon season in Hanoi during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How August compares to the rest of the year in Hanoi
August is in the middle of the year for warmth in Hanoi (4th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 5°C above the annual average (28°C). August runs 1°C cooler than July (33°C) and cools 1°C in September (31°C).
August sunrise & sunset in Hanoi
Times shown for Hanoi local time (Asia/Ho_Chi_Minh), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Hanoi — August
Golden-hour and blue-hour windows for the 15th of August, in Hanoi's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Hanoi in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Hanoi's popularity.
Crowds & pricing — August in Hanoi
Hanoi is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: Northern Hemisphere summer holidays peak hazard season (1 active)
Sun & mosquito risk — August in Hanoi
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Hanoi in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 20°C / 68°F | 14°C / 57°F | 20 mm | 8 | 0 |
| February | 21°C / 70°F | 15°C / 59°F | 30 mm | 12 | 0 |
| March | 23°C / 73°F | 18°C / 64°F | 45 mm | 15 | 0 |
| April | 28°C / 82°F | 21°C / 70°F | 95 mm | 13 | 0 |
| May | 32°C / 90°F | 24°C / 75°F | 195 mm | 14 | 0 |
| June | 33°C / 91°F | 26°C / 79°F | 240 mm | 14 | 0 |
| July | 33°C / 91°F | 26°C / 79°F | 290 mm | 15 | 0 |
| August | 32°C / 90°F | 26°C / 79°F | 320 mm | 16 | 0 |
| September | 31°C / 88°F | 24°C / 75°F | 230 mm | 13 | 0 |
| October | 29°C / 84°F | 22°C / 72°F | 130 mm | 9 | 0 |
| November | 26°C / 79°F | 18°C / 64°F | 45 mm | 6 | 0 |
| December | 22°C / 72°F | 15°C / 59°F | 25 mm | 6 | 0 |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Hanoi in August →
Frequently asked questions
How hot is Hanoi in August?
In August, Hanoi averages a high of 32°C (90°F) and a low of 26°C (79°F) — generally hot.
Does it rain a lot in Hanoi in August?
August is quite rainy in Hanoi, with about 16 rainy days on average.
Is August a good time to visit Hanoi?
August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Hanoi in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Hanoi for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.